VS
At a Glance
Power
147hp @ 6200
191hp @ 6100
Torque
132lb-ft @ 4500
181lb-ft @ 4000
Fuel
34 mpg est.
28 mpg est.
Engine
2.0 L/122ci
2.5 L/152ci
Choosing between the KIA K4 and the KIA K5 is one of the most common decisions car buyers in the United States face. The KIA K4 delivers 147hp @ 6200 while the KIA K5 produces 191hp @ 6100. On fuel, the K4 returns 34 mpg est. while the K5 uses 28 mpg est. — important in a market where fuel prices change monthly. Pricing starts at $24,490 for the K4 and $30,090 for the K5. Both vehicles have their merits. The right choice depends on your priorities: fuel economy, performance, towing ability, safety features or total cost of ownership. This comparison covers every specification available so you can make an informed decision.
Performance
Power Output (hp)
147hp @ 6200
191hp @ 6100
Torque (lb-ft)
132lb-ft @ 4500
181lb-ft @ 4000
Engine & Drivetrain
Engine Capacity
2.0 L/122ci
2.5 L/152ci
Cylinders
4
4
Fuel Type
Gasoline
Gasoline
Transmission
Automatic
Automatic
Number of Gears
—
8
Drive Wheels
Front Wheel Drive
All Wheel Drive
Fuel Economy
Fuel Economy (Combined, est.)
34 mpg est.
28 mpg est.
Fuel Economy - City (mpg)
29 (2025)mpg
24mpg
Fuel Economy - Highway (mpg)
39 (2025)mpg
33mpg
Fuel Tank Capacity (gal)
12.4gal
15.8gal
Dimensions
Length (in)
185.4in
193.1in
Width (in)
72.8in
73.2in
Height (in)
55.9in
56.9in
Wheelbase (in)
107.1in
112.2in
Curb Weight (lbs)
2987lbs
3463lbs
Safety
ABS
✓ Standard
✓ Standard
Brake Assist
✓ Standard
✓ Standard
Stability Control
✓ Standard
✓ Standard
Traction Control
✓ Standard
✓ Standard
Driver Airbag
✓ Standard
✓ Standard
Passenger Airbag
✓ Standard
✓ Standard
Side Airbags Front
✓ Standard
✓ Standard
Curtain Airbags
✓ Standard
✓ Standard
Features & Tech
Air Conditioning
✓ Standard
✓ Standard
Climate Control
✓ Standard
✓ Standard
Cruise Control
✓ Standard
✓ Standard
Adaptive Cruise Control
✓ Standard
✓ Standard
Bluetooth
✓ Standard
✓ Standard
Backup Camera
✓ Standard
✓ Standard
Rear Parking Aid
—
✓ Standard
Sunroof
—
✓ Standard
Heated Seats
✓ Standard
✓ Standard
Power Seat Adjustment
—
✓ Standard
Keyless Entry
✓ Standard
✓ Standard
Alloy Wheels
✓ Standard
✓ Standard
The Verdict
Which Wins?
Overall Winner
KIA K4
2 / 4 categories
Performance
K5
Fuel Economy
K4
Value
K4
Practicality
Tied
Pros & Cons
KIA K4
Better fuel economy (34 mpg est.)
Lower starting price ($24,490)
Few notable weaknesses
KIA K5
Well-rounded specification
Higher fuel consumption (28 mpg est.)
Higher starting price
Frequently Asked Questions
Which is more fuel efficient, the K4 or K5?
The K4 gets 34 mpg est. and the K5 gets 28 mpg est. on the combined cycle. The K4 is the more fuel-efficient choice. In real-world conditions with a mix of highway and urban driving, actual figures will be slightly higher.
Which has more power, the K4 or K5?
The K4 produces 147hp @ 6200 and 132lb-ft @ 4500 of torque while the K5 delivers 191hp @ 6100 and 181lb-ft @ 4000 of torque. The K5 is the more powerful option.
What is the price difference between the K4 and K5?
The K4 starts from $24,490 and the K5 from $30,090. The K4 is cheaper by $5,600 at this variant level. Final on-the-road pricing varies by dealer and specification.
Should I buy the K4 or the K5?
It depends on your priorities. If fuel economy matters most, check the mpg figures above. If you need towing capacity, compare the towing ratings. For day-to-day driving - commutes, school runs and highway trips - consider ground clearance, service network coverage, and total cost of ownership including insurance and maintenance. Use the spec tables above to compare every detail before making your decision.
Also Consider